/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | foam-extend: Open Source CFD
   \\    /   O peration     | Version:     4.1
    \\  /    A nd           | Web:         http://www.foam-extend.org
     \\/     M anipulation  | For copyright notice see file Copyright
-------------------------------------------------------------------------------
License
	This file is part of foam-extend.

	foam-extend is free software: you can redistribute it and/or modify it
	under the terms of the GNU General Public License as published by the
	Free Software Foundation, either version 3 of the License, or (at your
	option) any later version.

	foam-extend is distributed in the hope that it will be useful, but
	WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
	General Public License for more details.

	You should have received a copy of the GNU General Public License
	along with foam-extend.  If not, see <http://www.gnu.org/licenses/>.

\*---------------------------------------------------------------------------*/

#include "calcEntry.H"
#include "addToMemberFunctionSelectionTable.H"
#include "dictionary.H"
#include "dynamicCode.H"
#include "codeStream.H"

// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //

namespace Foam
{
namespace functionEntries
{
	defineTypeNameAndDebug(calcEntry, 0);

	addToMemberFunctionSelectionTable
	(
		functionEntry,
		calcEntry,
		execute,
		dictionaryIstream
	);

	addToMemberFunctionSelectionTable
	(
		functionEntry,
		calcEntry,
		execute,
		primitiveEntryIstream
	);

}
}


// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //

bool Foam::functionEntries::calcEntry::execute
(
	const dictionary& parentDict,
	primitiveEntry& thisEntry,
	Istream& is
)
{
	Info<< "Using #calcEntry at line " << is.lineNumber()
		<< " in file " <<  parentDict.name() << endl;

	dynamicCode::checkSecurity
	(
		"functionEntries::calcEntry::execute(..)",
		parentDict
	);

	// Read string
	string s(is);
	// Make sure we stop this entry
	//is.putBack(token(token::END_STATEMENT, is.lineNumber()));

	// Construct codeDict for codeStream
	// must reference parent for stringOps::expand to work nicely.
	dictionary codeSubDict;
	codeSubDict.add("code", "os << (" + s + ");");
	dictionary codeDict(parentDict, codeSubDict);

	codeStream::streamingFunctionType function = codeStream::getFunction
	(
		parentDict,
		codeDict
	);

	// use function to write stream
	OStringStream os(is.format());
	(*function)(os, parentDict);

	// get the entry from this stream
	IStringStream resultStream(os.str());
	thisEntry.read(parentDict, resultStream);

	return true;
}


bool Foam::functionEntries::calcEntry::execute
(
	dictionary& parentDict,
	Istream& is
)
{
	Info<< "Using #calcEntry at line " << is.lineNumber()
		<< " in file " <<  parentDict.name() << endl;

	dynamicCode::checkSecurity
	(
		"functionEntries::calcEntry::execute(..)",
		parentDict
	);

	// Read string
	string s(is);
	// Make sure we stop this entry
	//is.putBack(token(token::END_STATEMENT, is.lineNumber()));

	// Construct codeDict for codeStream
	// must reference parent for stringOps::expand to work nicely.
	dictionary codeSubDict;
	codeSubDict.add("code", "os << (" + s + ");");
	dictionary codeDict(parentDict, codeSubDict);

	codeStream::streamingFunctionType function = codeStream::getFunction
	(
		parentDict,
		codeDict
	);

	// use function to write stream
	OStringStream os(is.format());
	(*function)(os, parentDict);

	// get the entry from this stream
	IStringStream resultStream(os.str());
	parentDict.read(resultStream);

	return true;
}


// ************************************************************************* //
